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Merck

233277

2,6-Difluoropyridine

99%

Synonym(s):

2,6-Difluoropyridine

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About This Item

Empirical Formula (Hill Notation):
C5H3F2N
CAS Number:
1513-65-1
Molecular Weight:
115.08
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24853965
EC Number:
216-152-8
Beilstein/REAXYS Number:
1422549
MDL number:
MFCD00006227

Key Documents

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Product Name

2,6-Difluoropyridine, 99%

InChI key

MBTGBRYMJKYYOE-UHFFFAOYSA-N

InChI

1S/C5H3F2N/c6-4-2-1-3-5(7)8-4/h1-3H

SMILES string

Fc1cccc(F)n1

assay

99%

form

liquid

refractive index

n20/D 1.437 (lit.)

bp

124.5 °C/743 mmHg (lit.)

density

1.268 g/mL at 25 °C (lit.)

functional group

fluoro

Quality Level

100

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Application

2,6-Difluoropyridine has been used in the preparation of poly(pyridine ether)s via polycondensation with silylated 1,1,1-tris(4-hydroxyphenyl)ethane.

General description

Lithium diisopropylamide (LDA)-mediated ortholithiations of 2,6-difluoropyridine in tetrahydrofuran at -78°C has been studied using a combination of IR and NMR spectroscopic and computational methods. Polycondensation of bistrimethylsilyl derivatives of various diphenols with 2,6-difluoropyridine in N-methylpyrrolidone in the presence of K2CO3 has been investigated.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

91.4 °F - closed cup

flash_point_c

33 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7517
MKCV0806
MKCQ9238
MKCS5922
MKCQ0360

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Cyclic poly (pyridine ether) s by the polycondensation of 2, 6-difluoropyridine with various diphenols.
Kricheldorf HR, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 430(20), 4781-4789 (2005)
Lekha Gupta et al.
The Journal of organic chemistry, 78(9), 4214-4230 (2012-12-29)
Lithium diisopropylamide (LDA)-mediated ortholithiations of 2-fluoropyridine and 2,6-difluoropyridine in tetrahydrofuran at -78 °C were studied using a combination of IR and NMR spectroscopic and computational methods. Rate studies show that a substrate-assisted deaggregation of LDA dimer occurs parallel to an
Multicyclic polyethers derived from 1, 1, 1-tris (4-hydroxyphenyl) ethane and 2, 6-dihalopyridines.
Kricheldorf HR, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 42(22), 5725-5735 (2004)
Qianglu Lin et al.
Journal of the American Chemical Society, 139(19), 6644-6653 (2017-04-22)
The use of semiconductor nanocrystal quantum dots (QDs) in optoelectronic devices typically requires postsynthetic chemical surface treatments to enhance electronic coupling between QDs and allow for efficient charge transport in QD films. Despite their importance in solar cells and infrared

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